passengers in 2017 and asked the business increases so does the air pollution it causes we 1st visited vandeman dane 2014 when we spoke with local residents like magdalena fleming 5 years on we meeting her again magdaléna ritchie moved on amanda for the clean air. crews operators have been promising. ships with clean exhaust fumes for years now we asked magdaléna whether she feels they've kept that promise she simply said. they haven't gotten any cleaner i'm so angry that this video people bring it up from time to time and you believe them you think the ships are finally going to get cleaner but then nothing happens to see it 1st it's all talk. but this is nixon the newspapers are full of it but nobody's taking any action ok now left us. dream boats and their dirty air what a cruise operators doing about it. this is for. a court city on madeira in the atlantic ocean just north of the canary islands down here is a popular destination for winter cruises. most passengers on board are german tourists. we asked axel freedoms to join us on this trip he's one of the world's leading experts on air pollution